WaterQ

Rincon Northern

PWSID: 090600147

F Critical

Score 0/100 — Critical

Data Updated: March 2026 Source: EPA SDWIS
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System Information

Type
Community Water System
Water Source
Ground Water
Population Served
7,003
Owner Type
N
Status
Active
Population Served
7,003
System Type
Community Water System
Water Source
Ground Water
Violation Status
No Violations
Results-Based Recommendation

Protect Your Home from Copper (90th percentile) & More

Based on the detection of Copper (90th percentile), we recommend a system capable of handling specific impurities.

Shop Activated Carbon Filters See Full Filter Guide

*Disclaimer: WaterQ may earn a commission from qualifying purchases (see our affiliate disclosure). This is not medical advice. Consult a professional for specific health needs.

Basic Protection
💧

Activated Carbon Filter

Good for general improvements in taste and removing chlorine.

Effective against:
Copper (90th percentile)

Water Quality Test Results

Contaminant Detected EPA Limit (MCL) Status
Copper (90th percentile) 2018-06-30 2.323 mg/L 1.3 mg/L Exceeds Limit
Lead (90th percentile) 2025-12-31 0.005 mg/L 0.015 mg/L Compliant

Contaminant Trends

Copper (90th percentile) Trend

MCL: 1.3 mg/L
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Lead (90th percentile) Trend

MCL: 0.015 mg/L
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Violation History

2016-11-01
Resolved - Major

MON

MON - Rule 111

Resolved: 2017-02-17

2013-08-01
Resolved - Major

MR

MR - Rule 140

Resolved: 2013-09-01

2007-09-01
Resolved - Minor

MR

MR - Rule 110

Resolved: 2009-01-07

2006-11-01
Resolved - Minor

MR

MR - Rule 110

Resolved: 2009-01-07

2005-11-01
Resolved - Minor

MR

MR - Rule 110

Resolved: 2009-01-07

Frequently Asked Questions

Is Rincon Northern water safe to drink?
Rincon Northern in Valley Center, CA has a water quality score of 0/100 (Critical). There are currently 197 unresolved violation(s).
How many people does Rincon Northern serve?
Rincon Northern provides drinking water to approximately 7,003 people in the Valley Center, CA area.
What contaminants have been found in Rincon Northern water?
Contaminants that have exceeded EPA limits include: Copper (90th percentile). Visit the full report for detailed test results.
How many violations does Rincon Northern have?
Rincon Northern has a total of 285 violation(s) on record. 197 remain unresolved.
Where does Rincon Northern get its water?
Rincon Northern uses ground water as its primary water source.

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Filter Your Water

Take control of your drinking water quality. Learn more about what is in your water and how to filter it.

View EPA Data for This System → Learn About Water Filtration